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Mixed Rare Specimens

Friday, 04 December 2020 07:00 PM

Introducing the "Mixed Rare Specimens" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including cechite, eudialyte, fluorapatite, hambergite, hematite, and hisingerite and more from places like Vrancice, Pribram, Bohemia, Czech Republic, Ilimaussaq complex, Narsaq, Kitaa prov., Greenland, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany, Tuften, Tvedalen, Larvik, Vestfold, Norway, Minas Gerais, Brazil, and Mt. Rasvumchorr, Khibiny Massif, Kola Peninsula, Russia.

Cechite

#54711

$30.00 - Available
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Locality: Vrancice, Pribram, Bohemia, Czech Republic
Formula: PbFe²⁺VO₄(OH)
Availability: Available
Price: $30.00
Size: 2 x 1 x 1 cm - Thumbnail
Tagged: vanadium

Not much of a specimen but has some black grains and a partial crystal to about 2mm.

Cechite

Formula: PbFe²⁺VO₄(OH)
Crystal System: Orthorhombic
Crystal Habit: Massive - Granular
Cleavage: None, None, None
Luster: Sub Metallic
Color: black
Streak: black
Class: Orthorhombic - Dipyramidal
Fracture: Brittle - Uneven
Hardness: 4.5-5

On Dakota Matrix: Previously Sold Cechite
On Dakota Matrix: Other Available Cechite
WebMineral: View Cechite
Mindat: View Cechite

SOLD

Eudialyte

with Aegerine in nepheline syenite - #54722

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Locality: Ilimaussaq complex, Narsaq, Kitaa prov., Greenland
Formula: Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
Availability: Sold
Size: 5 x 4 x 4 cm - Miniature

A 2.5cm deep red Eudialyte crystal perched nicely on matrix with several smaller. By all accounts it is a good specimen.

Eudialyte

Formula: Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
Crystal System: Trigonal
Crystal Habit: Massive - Granular, Tabular
Cleavage: Imperfect, None, None
Luster: Vitreous (Glassy)
Color: pinkish red, red, yellow, yellowish brown, violet
Streak: white
Class: Trigonal - Hexagonal Scalenohedral
Fracture: Uneven
Hardness: 5-5.5

Mineralpedia: View Eudialyte
On Dakota Matrix: Previously Sold Eudialyte
On Dakota Matrix: Other Available Eudialyte
WebMineral: View Eudialyte
Mindat: View Eudialyte

SOLD

Fluorapatite

with Fluorite - #AH54717

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Data
Provenance
Resources

Locality: Ehrenfriedersdorf, Erzgebirge, Saxony, Germany
Formula: Ca₅(PO₄)₃F
Availability: Sold
Size: 8 x 7 x 8 cm - Sm Cabinet
Tagged: phosphate

There are two interesting sides to this specimen. One side has tiny purple crystals of Fluorite covering Fluorapatite on Quartz and the other, is no Fluorite but great Fluorapatite crystals to 3mm.